Ha Vinh Lam Nguyen et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 12(10), 1900-1905 (2011-03-30)
We report on the rotational spectrum of diethyl ketone, C(2)H(5)-C(=O)-C(2)H(5), as observed by Fourier transform microwave spectroscopy under pulsed molecular beam conditions. Almost all lines were split into narrow quartets in a range from 10 kHz up to 2 MHz